Truck bed cover



FIG. 1 is a perspective view of a truck bed cover, showing my new design, shown in its position of use;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a front plan view thereof;

FIG. 5 is a side elevation view thereof, it being understood that the opposite side is a mirror image thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a truck bed cover, as shown and described. 